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3102049 = 7734013
BaseRepresentation
bin1011110101010101100001
312211121012201
423311111201
51243231144
6150253201
735236606
oct13652541
95747181
103102049
111829685
121057201
13847c42
145aa6ad
154141d4
hex2f5561

3102049 has 4 divisors (see below), whose sum is σ = 3106836. Its totient is φ = 3097264.

The previous prime is 3102023. The next prime is 3102059. The reversal of 3102049 is 9402013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9402013 = 10986257.

It can be written as a sum of positive squares in 2 ways, for example, as 1306449 + 1795600 = 1143^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 3102049 - 25 = 3102017 is a prime.

It is a Duffinian number.

3102049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3102059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (776709).

Almost surely, 23102049 is an apocalyptic number.

It is an amenable number.

3102049 is a deficient number, since it is larger than the sum of its proper divisors (4787).

3102049 is an equidigital number, since it uses as much as digits as its factorization.

3102049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3102049 is about 1761.2634669464. The cubic root of 3102049 is about 145.8420917370.

The spelling of 3102049 in words is "three million, one hundred two thousand, forty-nine".

Divisors: 1 773 4013 3102049